SE8106356L - SHORT CIRCUIT DIOD IN A GENERATOR - Google Patents
SHORT CIRCUIT DIOD IN A GENERATORInfo
- Publication number
- SE8106356L SE8106356L SE8106356A SE8106356A SE8106356L SE 8106356 L SE8106356 L SE 8106356L SE 8106356 A SE8106356 A SE 8106356A SE 8106356 A SE8106356 A SE 8106356A SE 8106356 L SE8106356 L SE 8106356L
- Authority
- SE
- Sweden
- Prior art keywords
- output signal
- generator
- range
- load current
- exciter field
- Prior art date
Links
- 238000004804 winding Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/06—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric generators; for synchronous capacitors
- H02H7/065—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric generators; for synchronous capacitors against excitation faults
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Eletrric Generators (AREA)
- Protection Of Generators And Motors (AREA)
Abstract
A shorted diode protection system for a brushless alternating current generator of the type having an energizeable exciter field winding 36 includes a circuit arrangement 55 for sensing the voltage differential across the exciter field and pairing the voltage differential with generator load current measured at 26 to provide an output signal that falls within a predictable range of values over a normal generator load current range. The output signal is of such a nature that it falls within a higher range of values upon the occurrence of a shorted diode. Another circuit arrangement 65 is responsive to the output signal such that whenever the output signal exceeds a preset value over the normal load current range, an output is generated that operates to cause the interruption of the exciter field. <IMAGE>
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US20538380A | 1980-11-10 | 1980-11-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
SE8106356L true SE8106356L (en) | 1982-05-11 |
SE449675B SE449675B (en) | 1987-05-11 |
Family
ID=22761977
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8106356A SE449675B (en) | 1980-11-10 | 1981-10-28 | SHORT-DIOD SHIPPING DIOD FOR A BRUSH AC POWER GENERATOR |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS57110026A (en) |
DE (1) | DE3135919A1 (en) |
FR (1) | FR2494053B1 (en) |
GB (1) | GB2087176B (en) |
IL (1) | IL64200A (en) |
IT (1) | IT1171644B (en) |
SE (1) | SE449675B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4595965A (en) * | 1983-12-19 | 1986-06-17 | Sundstrand Corporation | Apparatus and method for detecting a rotating rectifier fault |
GB8528501D0 (en) * | 1985-11-19 | 1985-12-24 | Lucas Ind Plc | Switching rectified alternating current |
DE3730829C2 (en) * | 1987-09-14 | 1997-02-06 | Siemens Ag | Overload protection for the excitation circuit of a synchronous machine |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB993512A (en) * | 1962-10-08 | 1965-05-26 | Westinghouse Electric Corp | Alternating current generators |
DE1588470C3 (en) * | 1967-07-17 | 1973-01-04 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Protective circuit arrangement for the excitation circuit of a synchronous machine without slip rings, excited by an excitation generator via rotating rectifiers |
US3534228A (en) * | 1968-05-08 | 1970-10-13 | Westinghouse Electric Corp | Generator and exciter protection circuit |
US3705331A (en) * | 1972-03-16 | 1972-12-05 | Westinghouse Electric Corp | Ac generator system including differential protection of exciter |
-
1981
- 1981-09-09 FR FR8117078A patent/FR2494053B1/en not_active Expired
- 1981-09-10 DE DE19813135919 patent/DE3135919A1/en not_active Withdrawn
- 1981-10-13 GB GB8130900A patent/GB2087176B/en not_active Expired
- 1981-10-28 SE SE8106356A patent/SE449675B/en not_active IP Right Cessation
- 1981-11-03 IL IL64200A patent/IL64200A/en unknown
- 1981-11-06 IT IT49649/81A patent/IT1171644B/en active
- 1981-11-09 JP JP56178463A patent/JPS57110026A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
DE3135919A1 (en) | 1982-07-01 |
GB2087176B (en) | 1984-09-05 |
IL64200A0 (en) | 1982-02-28 |
IL64200A (en) | 1985-02-28 |
IT8149649A0 (en) | 1981-11-06 |
JPS57110026A (en) | 1982-07-08 |
FR2494053B1 (en) | 1985-08-23 |
FR2494053A1 (en) | 1982-05-14 |
SE449675B (en) | 1987-05-11 |
IT1171644B (en) | 1987-06-10 |
GB2087176A (en) | 1982-05-19 |
JPH0126251B2 (en) | 1989-05-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
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